EUVD-2026-61411
GHSA-mw9g-h62p-66r6
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Composer is network-accessible via HTTP, requires only low privilege, has no user interaction requirement, and results in full portal takeover - consistent with vendor-provided vector.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full takeover of Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0 is achievable by a low-privileged, network-authenticated attacker targeting the Composer component over HTTP. Oracle's own advisory characterizes the vulnerability as 'easily exploitable,' with high impact across confidentiality, integrity, and availability and no user interaction required. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a low-privileged authenticated account on the target Oracle WebCenter Portal instance, as indicated by PR:L in the CVSS vector - fully unauthenticated exploitation is not supported by available data. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H scores 8.8 and accurately reflects a high-severity, easily exploitable vulnerability: network-accessible, low attack complexity, only low-level authentication required, no user interaction, and complete CIA impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Administrators should apply the Oracle August 2026 Critical Patch Update (CPU) patches for Oracle WebCenter Portal immediately, available through My Oracle Support for versions 12.2.1.4.0 and 14.1.2.0.0. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct complete inventory of all Oracle WebCenter Portal deployments to identify systems running versions 12.2.1.4.0 or 14.1.2.0.0, with priority assessment of any internet-facing instances. …
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External POC / Exploit Code
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